Internal-combustion engines – Charge forming device – Charge-mixing device in intake
Patent
1988-10-18
1989-10-10
Cross, E. Rollins
Internal-combustion engines
Charge forming device
Charge-mixing device in intake
123527, 481894, F02M 2900
Patent
active
048724408
ABSTRACT:
An air fuel mixing device for internal combustion engines comprises a ring section having air passages leading to an interior volume, a cap section for supplying fuel, and a mixing body disposed between the cap section and ring section. The mixing body includes a frusto-conical member through which a plurality of fuel passages extend parallel to the cone axis. The fuel passages form fuel outlets in a frusto-conical surface disposed in the interior volume and facing the air passages. Incoming air passes across the fuel outlets to suck fuel into the interior volume. Depressions in the frusto-conical surface induce turbulence in the incoming air to promote mixing of air and fuel. The ring section comprises relatively rotatable rings with mutually alignable slots for forming the air passages. The slots are selectively misalignable to a desired extent for regulating the amount of incoming air so that the mixing device can be suited to the different needs of various engines.
REFERENCES:
patent: 4058102 (1977-11-01), Fabritz
patent: 4364364 (1983-12-01), Subramaniam
patent: 4370969 (1983-02-01), Zarrelli et al.
patent: 4479466 (1984-10-01), Greenway et al.
patent: 4497304 (1985-02-01), Wintrell et al.
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